write_rustflags.py (983B)
1 #!/usr/bin/env vpython3 2 3 # Copyright 2024 The Chromium Authors 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 7 # Writes all command line arguments to a file, separated by newlines. 8 9 import argparse 10 import os 11 import sys 12 13 # Set up path to be able to import action_helpers 14 sys.path.append( 15 os.path.join(os.path.dirname(os.path.abspath(__file__)), os.pardir, 16 os.pardir, 'build')) 17 import action_helpers 18 19 20 def main(): 21 parser = argparse.ArgumentParser(description='Run Rust build script.') 22 parser.add_argument('--output', required=True, help='output file') 23 args, flags = parser.parse_known_args() 24 # AtomicOutput will ensure we only write to the file on disk if what we 25 # give to write() is different than what's currently on disk. 26 with action_helpers.atomic_output(args.output) as output: 27 output.write(b'\n'.join([f.encode('utf-8') for f in flags])) 28 29 30 if __name__ == '__main__': 31 sys.exit(main())